Real world company prefixes

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D D& D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 DA DB DC DD DE DF DG DH DI DJ DK DL DM DN DO DP DQ DR DS DT DU DV DW DX DY DZ
DXA DXB DXC DXD DXE DXF DXG DXH DXI DXJ DXL DXM DXN DXO DXP DXR DXS DXT DXW DXX DXZ
DXHR
1 DXH East Star Airlines Limited Corporation IATA: 8C, Callsign: East Star, The airline received its air-operators certificate from the CAAC on 10 June 2005, and started operations on 19 May 2006. Ceased operations on 15 March 2009. PRC AVCODES
2 DXH East Star Airlines     ICAO1
3 DXHR DIXIE OHIO EXPRESS INC     SCAC4